DS1307 RTC Module Real Time Clock module I2C Interface for Arduino
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DS1307 RTC Module Real Time Clock module I2C Interface for Arduino

$2.44
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Wholesale electronics best price, bulk price,wholesale accessoriesDescriptionNote: If you want to place the bulk order that the stock is not enough, please contact with us.NOTE: Due to shipping restrictions, we donot supply the CR1220 battery in this product.The RTC module is based on DS1307 high precision real time clock module; Through I2C interface to communicate with singlechip, can read year, month, day, week, time, minute, second; Can read until 2100 year; Control interface is I2C; Recommended power: DC 5V; The address of the module is 0x68; Control interface level is 5V or 3.3V. Features Specification Power voltage VCC: 4.5~5.5V; Battery voltage: 2.0~3.5V; H igh level input: 2.1~VCC + 0.3V; Low level input: -0.3~+0.8V; Control interface: 4-pin (GND, VCC, SDA, SCL), GND for ground wire, VCC for power source, SDA for I2C interface data cable, SCL for I2C interface clock cable; Real time IC: DS1307Z; Independent timing: through I2C interface communicate with MCU; Battery: CR122

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